CN108285789A - A kind of hydrogen peroxide fluorescence probe and its preparation method and application - Google Patents

A kind of hydrogen peroxide fluorescence probe and its preparation method and application Download PDF

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CN108285789A
CN108285789A CN201810360906.2A CN201810360906A CN108285789A CN 108285789 A CN108285789 A CN 108285789A CN 201810360906 A CN201810360906 A CN 201810360906A CN 108285789 A CN108285789 A CN 108285789A
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hydrogen peroxide
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林伟英
何隆薇
徐凯欣
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University of Jinan
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Abstract

The invention discloses a kind of hydrogen peroxide fluorescence probes and its preparation method and application.The probe molecule formula is C34H38N3O7B has structure as follows:Autofluorescence is green fluorescence to the probe in aqueous solution, and after being responded with hydrogen peroxide, fluorescence intensity reduces at 480nm and fluorescence intensity significantly increases (67.2 times) at 551nm, and can observe by the naked eye the variation before and after fluorescence probe;The probe can also detect the hydrogen peroxide in living cells by confocal fluorescent microscopic, and carry out fluorescence imaging, have certain potential practical value.

Description

A kind of hydrogen peroxide fluorescence probe and its preparation method and application
Technical field
The present invention relates to a kind of hydrogen peroxide fluorescence probe preparation method and applications, belong to the preparation of hydrogen peroxide probe Technical field.
Background technology
Hydrogen peroxide is commonly called as hydrogen peroxide, and pure hydrogen peroxide is nattier blue thick liquid, and aqueous solution is water white transparency Liquid is generally used for surface disinfection.Currently, hydrogen peroxide is mainly derived from metabolism and the drop of organic compound in environment Solution.Hydrogen peroxide is also human endogenous's property substance, mainly by metabolism when, generate in substance oxidation decomposition course.Research It was found that hydrogen peroxide is played an important role in the pathophysiological process of biosystem.In vivo, multi-signal is served as to turn Lead the signal transduction molecule of process.Hydrogen peroxide acts not only as the generation premise of other active oxygens, can also be used as other The by-product of active oxygen correlated response plays important physiological function.However, when human body endoperoxides hydrogen concentration is raw higher than normal When reason is horizontal, body injury is will result in, many diseases, including cancer, diabetes, angiocardiopathy, neurogenic disease are caused And alzheimer disease etc..Therefore, it designs and synthesizes specific good, high sensitivity and there is good biocompatibility Fluorescence probe, can real-time and accurately the concentration of hydrogen peroxide in organism be detected and is imaged prevention for disease, Diagnosis, detection, treatment and physiopathologic further investigation all have important directive significance.
Currently, mainly passing through the detection means such as spectrophotometry, electrochemical assay, gas chromatography, liquid chromatography To detect hydrogen peroxide.These methods apply in general to the hydrogen peroxide in detection aqueous solution and food, are not suitable for biocycle The detection of the hydrogen peroxide in border, because their detection sensitivity is limited and has destructiveness to biological sample.In recent years, small Molecule organic fluorescence probe by scientific circles extensive concern, after it has an effect with particular target analytes, fluorescence signal meeting It changes, to reach testing goal.There is specific selectivity, high sensitivity, response using the fluorescence analysis of fluorescence probe The features such as the time is fast, and carrying out non-invasive imaging detection to intracellular target molecule can be with real-time online, and image is specifically Observe signal intensity.So invention can be detected quickly, easily see that look into the hydrogen peroxide fluorescence probe of signal intensity be that have very much must It wants.
Invention content
The fluorescence probe of hydrogen peroxide can be quickly detected the purpose of the present invention is to provide a kind of, and further provide this The preparation method and application of probe.
The present invention uses following technical scheme:
A kind of hydrogen peroxide fluorescence probe, molecular formula C34H38N3O7B has structure as follows:
The hydrogen peroxide fluorescence probe, the response time to hydrogen peroxide are 60 minutes or so.
The hydrogen peroxide fluorescence probe, is resistant to O2 -、NO、ClO-, the hydrogen peroxide tert-butyl alcohol, OH-、O2-, half Guangs of L- Propylhomoserin, l-Glutathione, hydrogen sulfide, Fe3+、NO3-、NO2 -With phenylalanine, alanine, tryptophan, serine, aspartic acid, The interference of isoleucine and histidine.
A kind of preparation method of above-mentioned hydrogen peroxide fluorescence probe, it includes the following steps:
1) bromo naphthalene acid anhydride 1.0mmol is dissolved in ethyl alcohol, 2.0mmol ethylenediamines is then added, flow back at 80 DEG C anti- It answers 0.5 hour, after completion of the reaction, the solvent being evaporated under reduced pressure in removing reaction solution by Rotary Evaporators obtains crude product, is used in combination Silica gel column chromatography column purification obtains neat compounds 1;
2) by 1.0mmol compounds 1 and 1.0mmol lignocaines cumarin acid, 1.5mmol EDCI, 2.5mmol HOBT It is dissolved in dichloromethane, is then reacted 6 hours or more under room temperature and stirring condition, after completion of the reaction, pass through rotary evaporation The solvent that instrument vacuum distillation removes in reaction solution obtains crude product, and silica gel column chromatography column purification is used in combination to obtain neat compounds 2;
3) by 0.1mmol compounds 2 and 0.2mmol connection pinacol borate, 0.2mmol potassium acetates, 0.01mmol [1, 1 ,-bis- (diphenylphosphino) ferrocene] palladium chloride is dissolved in Isosorbide-5-Nitrae-dioxane, then in anhydrous and oxygen-free, nitrogen protection With 90 DEG C under the conditions of be stirred to react 10 hours or more, after completion of the reaction, be evaporated under reduced pressure and removed in reaction solution by Rotary Evaporators Solvent obtain crude product, be used in combination silica gel column chromatography column purification to obtain target-probe compound.
Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50 in the step (1):1 composition.
Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50 in the step (2):1 composition.
Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50 in the step (3):1 composition.
The synthetic route of probe of the present invention is as follows:
Hydrogen peroxide fluorescence probe prepared by speed of the invention can be used for detecting hydrogen peroxide and biological sample in water environment The hydrogen peroxide of product.
Above application, specifically, including:
The variation of the fluorescence spectrum of water environment to be measured before and after observation addition hydrogen peroxide fluorescence probe;Fluorescence exciting wavelength is 410nm;
Alternatively, the variation of bioenvironmental fluorescence imaging figure to be measured before and after hydrogen peroxide fluorescence probe is added in observation.
The biotic environment can be living cells.
The variation of the fluorescence spectrum refers to:In fluorescence spectrum, the variation of the photoluminescence peak at 475nm and 548nm;Such as Peak value becomes smaller at fruit 475nm, and peak value becomes larger at 548nm, then explanation contains hydrogen peroxide.Preferably, using Fluorescence Spectrometer Observe fluorescence spectrum.
The change in fluorescence refers to:Under the irradiation of 365nm light sources, fluorescence becomes blue-fluorescence from green fluorescence;
The variation of the fluorescence imaging figure refers to:From fluorescence is not observed to observing red fluorescence.Preferably, use is glimmering Photothermal spectroscopic analyzer observes fluorescence spectrum.
Above application, specifically, including the following steps:
(1) probe compound is dissolved in ethyl alcohol, probe mother liquor is made;
(2) probe mother liquor is added in prepare liquid;
The fluorescence spectrum of prepare liquid, the variation of the photoluminescence peak at 475nm and 548nm are tested with Fluorescence Spectrometer;Such as Peak value becomes smaller at fruit 475nm, and peak value becomes larger at 548nm, then explanation contains hydrogen peroxide;Wherein, Fluorescence Spectrometer excitation wave A length of 410nm;
(3) probe mother liquor is added in biological sample, with Laser Scanning Confocal Microscope, uses the light that excitation wavelength is 514nm Source excitation collects the fluorescence of 460-490nm and 545-575nm ranges respectively;It observes that blue-fluorescence becomes red fluorescence, then says It is bright to contain hydrogen peroxide.
First, the hydrogen peroxide in aqueous solution can cause the fluorescence spectrum of fluorescence probe to change, and therefore, can pass through sight The variation degree for examining spectrum in Fluorescence Spectrometer judges content of hydrogen peroxide in solution, to quantitatively detect;Its Monitoring lower-cut It is 1.4 × 10-6mol/L.Secondly, the living cells for being incubated fluorescence probe II and hydrogen peroxide is carried out by Laser Scanning Confocal Microscope Fluorescence imaging, the variation of observation blue and green channel fluorescence signal is to reach the hydrogen peroxide in ratio detection biotic environment Purpose.In addition, using the probe of the present invention, when testing the hydrogen peroxide of aqueous solution using Fluorescence Spectrometer, at 60 minutes or so The peak value of fluorescence spectrum reaches stable;Have reaction time short advantage, realizes quick detection.
Advantages of the present invention:(1) probe synthesis is simple, and yield is higher;(2) present invention realizes peroxide in aqueous solution The specificity for changing hydrogen and quickly detection;(3) present invention realizes the detection of hydrogen peroxide in living cells level.
Description of the drawings
Fig. 1 is compound 2 in embodiment 11H NMR spectras.
Fig. 2 is compound 2 in embodiment 113C NMR spectras.
Fig. 3 is 1 middle probe compound of embodiment1H NMR spectras.
Fig. 4 is 1 middle probe compound of embodiment13C NMR spectras.
Fig. 5 is situation of change of the 2 middle probe compound of embodiment with the addition fluorogram of not same amount hydrogen peroxide;Figure In, concentration of hydrogen peroxide is followed successively by the fluorescence spectrum of 0,5,10,20,30,40,50,70,100,120,150,200 μm of ol/L.
Fig. 6 be probe compound (10 μM) PBS buffer solutions (concentration 25mmol/L, pH 7.4 contains 25% ethyl alcohol) with 5,10,20 equivalents of hydrogen peroxide fluorescence intensity ratio (I in 60 minutes551/I480) variation line graph, excitation wavelength is 410nm。
Fig. 7 be probe compound (10 μM) PBS buffer solutions (concentration 25mmol/L, pH 7.4 contains 25% ethyl alcohol) with Fluorescence intensity ratio after different analyte responses changes block diagram.Excitation wavelength is 410nm.1, blank;2, O2 -;, 3, NO;4, ClO-;5, the hydrogen peroxide tert-butyl alcohol;6, OH-;7, O2-;8, L-cysteine;9, l-Glutathione;10, hydrogen sulfide;11, Fe3+; 12, NO3-;13, NO2 -;14, phenylalanine;15, alanine;16, tryptophan;17, serine;18, aspartic acid;19, it is different bright Propylhomoserin;20, histidine;21, hydrogen peroxide.
Fig. 8 is the fluorescence imaging figure that probe compound (5 μM) is responded with hydrogen peroxide in HeLa cells;In figure, (A1-4) It is that the fluorescence imaging after 5 μM of probe I I are incubated 30 minutes is added, (B1-4) 30, (C1-4) 75 or (D1-4) 150 μ is then added Mol/L hydrogen peroxide continues to cultivate fluorescence imaging after sixty minutes;(A1-D1), light field and blue, green channel imaging superposition Figure;(A2-D2), blue channel is imaged;(A3-D3), green channel;(A4-D4), green is imaged than blue ratio;Excitation wavelength For 405nm, scale is 25 microns.
Specific implementation mode
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1
The preparation of probe compound
(1) bromo naphthalene acid anhydride 276mg (1.0mmol) is dissolved in 3mL ethyl alcohol, 120mg (2.0mmol) second is then added Diamines, back flow reaction 0.5 hour at 80 DEG C, after completion of the reaction, be evaporated under reduced pressure by Rotary Evaporators remove it is molten in reaction solution Agent obtains crude product, with volume ratio for 50:1 dichloromethane is eluant, eluent with ethyl alcohol, with silica gel (200-300 mesh) chromatographic column into Row purifying, obtains 290mg yellow solids i.e. compound 1 (yield 80%).
(2) by 319mg compounds 1 (1.0mmol), 261mg lignocaines cumarin sour (1.0mmol), 287mgEDCI (1.5mmol) and 337mgHOBT (2.5mmol) are dissolved in dichloromethane, and stirring at normal temperature is reacted 6 hours.After completion of the reaction, lead to It crosses the distillation of rotation evaporation under reduced pressure and solvent (dichloromethane) removing is obtained into crude product.With volume ratio for 50:1 dichloromethane with Ethyl alcohol is eluant, eluent, is purified with silica gel (200-300 mesh) chromatographic column, and it is (the production of compound 2 to obtain 420mg yellow solids 75%) rate is.1H NMR(400MHz,CDCl3),δ(ppm):1.24-1.27(6H),3.45-3.50(q,J1=6.4Hz, J2= 7.2Hz,4H),3.84-3.88(q,J1=2.8Hz, J2=6.0Hz, 2H), 4.49-4.52 (t, J=5.6Hz, 2H), 6.91 (1H), 7.07 (1H), 7.53-7.55 (1H), 7.82-7.86 (t, J=8.4Hz, 1H), 8.03-8.05 (d, J=8.0Hz, 1H), 8.42-8.44 (d, J=7.6Hz, 1H), 8.57-8.59 (d, J=8.4Hz, 1H), 8.66-8.68 (d, J=7.2Hz, 1H),8.72(s,1H),8.93(s,1H);13C NMR(100MHz,CDCl3):δ(ppm):24.92,25.60,33.89, 45.08,49.27,96.61,108.42,109.87,110.35,122.20,123.06,128.08,129.18,130.28, 130.68,131.11,131.42,132.23,133.29,148.09,152.48,156.85,157.64,162.56,163.64, 163.77.
(3) 56.2mg compounds 2 (0.1mmol), 50.8mg connection pinacol borates (0.2mmol), 19.6mg acetic acid are taken Potassium (0.2mmol) and 7.3mg [1,1 '-bis- (diphenylphosphino) ferrocene] palladium chloride (0.01mmol) are placed in round-bottomed flask In, 3mL Isosorbide-5-Nitraes-dioxane (solvent), which is added, makes reactant be completely dissolved, and is stirred at anhydrous and oxygen-free, nitrogen protection and 90 DEG C Overnight (10h or more), reaction finishes for reaction.It waits for after completion of the reaction, solvent Isosorbide-5-Nitrae-dioxane is removed by Rotary Evaporators.Most Afterwards with volume ratio for 50:1 dichloromethane is eluant, eluent with ethyl alcohol, is purified, is obtained with silica gel (200-300 mesh) chromatographic column 34mg yellow solids (yield 56%).Gained yellow solid is target-probe compound.1H NMR(400MHz,CDCl3),δ (ppm):1.21-1.25(18H),3.42-3.47(q,J1=6.4Hz, J2=6.8Hz, 4H), 3.90-3.91 (2H), 4.57- 4.59 (t, J=4.8Hz, 2H), 6.51 (1H), 6.66-6.68 (d, J=8.0Hz, 2H), 7.41-7.43 (d, J=8.4Hz, 1H), 7.58-7.61 (t, J=7.4Hz, 1H), 7.68-7.70 (d, J=8.8Hz, 1H), 7.76-7.78 (d, J=7.6Hz, 1H), 8.64-8.68 (d, J=7.6Hz, 1H), 8.70 (s, 1H), 8.74-8.76 (d, J=7.6Hz, 1H), 9.01 (s, 1H);13C NMR(100MHz,CDCl3):δ(ppm):14.79,17.22,39.12,39.27,47.41,57.01,97.32,112.07, 119.31,123.10,125.63,128.33,128.89,131.07,139.88,148.54,150.08,152.76。
Embodiment 2
Probe of the present invention changes from the fluorescence spectrum that different equivalents of hydrogen peroxide react
Probe prepared by Example 1 is dissolved in ethyl alcohol, and a concentration of 1.0mmol/L probes mother liquor (concentration of probe is made For 1.0mmol/L);Distilled water is added in the hydrogenperoxide steam generator that mass fraction is 30%, being configured to concentration of hydrogen peroxide is The hydrogen peroxide mother liquor of 100mmol/L.30 μ L are taken out from probe mother liquor to be added in the centrifuge tube of 3mL, and difference is added and works as (equivalent refers to the molal quantity of hydrogen peroxide in hydrogen peroxide mother liquor relative to spy to the hydrogen peroxide mother liquor of amount (0-100eq) The multiple of the molal quantity of needle mother liquor middle probe), with PBS aqueous solutions (the concentration 25mmol/L, pH of 720 μ L ethyl alcohol and different volumes 7.4) it is diluted to 3mL, it is 10 μm of ol/L to be configured to concentration and probe concentration, contains the test solution of 25% ethyl alcohol.It is tested with Fluorescence Spectrometer Probe changes (excitation wavelength 410nm) from the fluorescence spectrum of different equivalents of hydrogen peroxide reaction solutions, fluorescence spectrum situation of change As shown in Figure 5.As seen from Figure 5, as gradually increasing for equivalent, fluorescence of the probe I I solution at 480nm is added in hydrogen peroxide Peak value continuously decreases and the photoluminescence peak at 551nm gradually increases.When fluorescence intensity reaches it is stable when, than probe blank solution Fluorescence intensity ratio (I551/I485) 67.2 times of enhancing.Experimental result illustrates that probe compound of the present invention can pass through fluorescence spectrum Instrument detects the hydrogen peroxide in aqueous solution.
Embodiment 3
The change in fluorescence that probe compound of the present invention is changed over time with hydrogen peroxide
30 μ L are taken out from fluorescence probe mother liquor in embodiment 2 to be added in the centrifuge tube of 3mL, and 300 μ L concentration are added For the hydrogen peroxide mother liquor of 5mmol/L, then 720 μ L ethyl alcohol and the PBS aqueous solutions (concentration 25mmol/L, pH7.4) of 2.25mL it is dilute It releases to 3mL, it is 10 μm of ol/L, concentration of hydrogen peroxide 0.5mmol/L to be configured to concentration and probe concentration, and the test containing 25% ethyl alcohol is molten Liquid.With the excitation wavelength of 410nm, its fluorescence spectrum changed over time is tested.As seen from Figure 6, as the time increases, 475nm The fluorescence intensity at place is gradually reduced and the fluorescence intensity at 548nm becomes larger, and reaches stationary value at 60 minutes or so.
Embodiment 4
Selection Journal of Sex Research of the probe compound of the present invention to disturbance analyte
30 μ L are taken out from fluorescence probe mother liquor in embodiment 2 to be added in the centrifuge tube of 3mL, be separately added into it is following not With the analyte of concentration:The O of 200 μm of ol/L2 -、NO、ClO-, the hydrogen peroxide tert-butyl alcohol, OH-、O2-, L-cysteine, L- paddy Guangs Sweet peptide, hydrogen sulfide, Fe3+、NO3-、NO2 -, phenylalanine, alanine, tryptophan, serine, aspartic acid, isoleucine and group Propylhomoserin.It is diluted to 3mL with the PBS aqueous solutions (concentration 25mmol/L, pH 7.4) of 720 μ L ethyl alcohol and different volumes, is configured to visit A concentration of 10 μm of ol/L of needle contain the test solution of 25% ethyl alcohol.The fluorescence spectrum variation of detection test fluid after reaction 30 minutes.By For Fig. 7 it can be found that relative to skip test liquid, the test fluid fluorescence intensity that various chaff interferents are added does not have significant change.However, Significant changes have occurred in the fluorescence intensity that the test fluid of hydrogen peroxide is added.Experimental result illustrates the probe pair prepared by the present invention Hydrogen peroxide has good selectivity.
Embodiment 5
The fluorescence imaging of probe compound of the present invention and hydrogen peroxide in cell
10 μ L are taken out from fluorescence probe mother liquor in embodiment 2 is added to the culture dish (PBS containing 1mL for giving birth to HeLa cells Culture medium) in, concentration and probe concentration is 5 μm of ol/L, is incubated 30 minutes, as control group;In wherein one group of control group sample respectively The hydrogen peroxide of 30,75,150 μm of ol/L is added, continues to be incubated 60 minutes, as experimental group.It is then burnt micro- with copolymerization respectively Mirror carries out fluorescence imaging to control group and experimental group, using the light source activation that excitation wavelength is 514nm, collects blue and green is logical The fluorescence in road, the results are shown in Figure 8.In the fluorescence imaging of control group, it may be observed that strong blue-fluorescence and be barely perceivable Green fluorescence;However, in experimental group, it is observed that blue-fluorescence gradually weakens and green fluorescence is remarkably reinforced.Experiment knot Fruit illustrates that probe I I can detect the hydrogen peroxide in cellular environment by Laser Scanning Confocal Microscope, has potential practical application valence Value.

Claims (8)

1. a kind of hydrogen peroxide fluorescence probe, which is characterized in that its molecular formula is C34H38N3O7B has structure as follows:
2. hydrogen peroxide fluorescence probe according to claim 1, which is characterized in that it is to the response time of hydrogen peroxide 60 minutes.
3. hydrogen peroxide fluorescence probe according to claim 1 or 2, which is characterized in that it is resistant to O2 -、NO、ClO-, peroxide Change the hydrogen tert-butyl alcohol, OH-、O2-, L-cysteine, l-Glutathione, hydrogen sulfide, Fe3+、NO3-、NO2 -With phenylalanine, alanine, The interference of tryptophan, serine, aspartic acid, isoleucine and histidine.
4. a kind of preparation method of the hydrogen peroxide fluorescence probe described in claim 3, which is characterized in that it includes following step Suddenly:
1) bromo naphthalene acid anhydride 1.0mmol is dissolved in ethyl alcohol, then addition 2.0mmol ethylenediamines, back flow reaction 0.5 at 80 DEG C Hour, after completion of the reaction, the solvent being evaporated under reduced pressure in removing reaction solution by Rotary Evaporators obtains crude product, and layer of silica gel is used in combination Analysis column purification obtains neat compounds 1;The structural formula of the compound 1 is as follows:
2) 1.0mmol compounds 1 and 1.0mmol lignocaines cumarin acid, 1.5mmol EDCI, 2.5mmol HOBT are dissolved In dichloromethane, then reacts 6 hours or more under room temperature and stirring condition, after completion of the reaction, subtracted by Rotary Evaporators It presses the solvent being distilled off in reaction solution to obtain crude product, silica gel column chromatography column purification is used in combination to obtain neat compounds 2;The chemical combination The structural formula of object 2 is as follows:
3) by 0.1mmol compounds 2 and 0.2mmol connection pinacol borate, 0.2mmol potassium acetates, 0.01mmol [1,1 ,-it is bis- (diphenylphosphino) ferrocene] palladium chloride is dissolved in Isosorbide-5-Nitrae-dioxane, then in anhydrous and oxygen-free, nitrogen protection and 90 DEG C Under the conditions of be stirred to react 10 hours or more, after completion of the reaction, pass through Rotary Evaporators vacuum distillation and remove solvent in reaction solution Crude product is obtained, silica gel column chromatography column purification is used in combination to obtain target-probe compound.
5. the preparation method of hydrogen peroxide fluorescence probe according to claim 4, which is characterized in that in the step (1) Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50:1 composition.
6. the preparation method of hydrogen peroxide fluorescence probe according to claim 4, which is characterized in that in the step (2) Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50:1 composition.
7. the preparation method of hydrogen peroxide fluorescence probe according to claim 4, which is characterized in that in the step (3) Eluant, eluent used in column chromatography is dichloromethane and ethyl alcohol volume ratio 50:1 composition.
8. a kind of application of the hydrogen peroxide fluorescence probe described in claim 3, which is characterized in that for detecting in water environment The hydrogen peroxide of hydrogen peroxide and biological sample.
CN201810360906.2A 2018-04-20 2018-04-20 A kind of hydrogen peroxide fluorescence probe and its preparation method and application Pending CN108285789A (en)

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CN109060739A (en) * 2018-07-13 2018-12-21 中国科学院上海微系统与信息技术研究所 A method of detection hydrogen peroxide
CN110894194A (en) * 2018-09-13 2020-03-20 南京大学 Synthesis of novel fluorescent probe for detecting hydrogen peroxide
CN110016008A (en) * 2019-04-19 2019-07-16 南宁师范大学 The fluorescence probe of specific recognition hydrogen polysulfide and biological thiol
CN110016008B (en) * 2019-04-19 2022-04-15 南宁师范大学 Fluorescent probe for specifically recognizing hydrogen polysulfide and biological thiol
CN110172070A (en) * 2019-06-05 2019-08-27 商丘师范学院 A kind of fluorescence probe and its synthetic method and application detecting viscosity and hydrogen peroxide
CN110172070B (en) * 2019-06-05 2021-11-02 商丘师范学院 Fluorescent probe for detecting viscosity and hydrogen peroxide as well as synthesis method and application thereof
CN112521413A (en) * 2020-12-03 2021-03-19 山西大学 Two-channel fluorescent probe for detecting viscosity and hydrogen peroxide as well as preparation and application thereof
CN112521413B (en) * 2020-12-03 2021-08-24 山西大学 Two-channel fluorescent probe for detecting viscosity and hydrogen peroxide as well as preparation and application thereof

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